AMD Radeon HD 6550A vs AMD Radeon HD 6450A

VS

AMD Radeon HD 6550A

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6550A and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6550A 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 8.528GB/s)

320 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6550A +164%

0.528 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Radeon HD 6550A

VS

Radeon HD 6450A

Graphics Card

Feb 2011

Release Date

Apr 2011

All-In-One

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

800 MHz

Memory Clock

533 MHz

Memory

2GB

Memory Size

512MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

8.528GB/s

Render Config

6

Compute Units

2

-

480

Shading Units

160

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

2.500 GPixel/s

13.20 GTexel/s

Texture Rate

5.000 GTexel/s

-

528.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

35W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Pinewood

GPU Name

Caicos

Pinewood PRO

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.37 billion

104 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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